Temecula, CA weather in May
Expect warm, dry weather in Temecula in May, with highs near 82°F and lows near 54°F. Rain falls on about 1 day. Good for outdoor plans.
- Normal high
- 82°F
- Normal low
- 54°F
- Wet days
- 1
- 0.2 in total
- Muggy days
- 0
- dew point 65°F+
How May changes from start to finish
| May 1 | May 31 | |
|---|---|---|
| Normal high | 79°F | 86°F |
| Normal low | 51°F | 56°F |
| Chance of a wet day | 6% | 3% |
| Sunrise / sunset | 6:00 am / 7:31 pm | 5:39 am / 7:52 pm |
| Daylight | 13.5 h | 14.2 h |
Chance of a wet day: average for the first and last 7 days of the month. Times are local clock time (Pacific Time).
A typical May day
- 6 am56°Fdew point 50°F
- 9 am67°Fdew point 49°F
- Noon76°Fdew point 47°F
- 3 pm78°Fdew point 48°F
- 6 pm71°Fdew point 49°F
- 9 pm61°Fdew point 50°F
NOAA hourly normals (local standard time) from March AFB (29 mi away); average wind 6 mph; clear or few clouds in 65% of daytime hours, mostly cloudy or overcast in 26%.
What kind of days to expect
- Comfortable dayshigh 65-80°F and dew point under 60°F11 of 31
- Hot dayshigh 90°F or more9 of 31
- Muggy daysdaily mean dew point 65°F or more0 of 31
- Wet daysat least 0.01 in of rain or melted snow1 of 31
- Notable rainat least 0.10 in1 of 31
- Freezing nightslow 32°F or below0 of 31
Average days per May, counted from daily records for each year 1991-2020.
Rain in May
Normal precipitation is 0.2 in; a dry May brings about 0.0 in and a wet one about 0.2 in (25th and 75th percentiles). Days with half an inch or more are rare.
How May varies from year to year
- Warmest May, 1991-20201997: average high 93°F
- Coolest May1998: average high 74°F
- Wettest May1998: 1.3 in
- Driest May1993: no measurable precipitation
- Highest reading109°F (May 28, 2003)
- Lowest reading39°F (May 26, 2003)
From the station's daily records with NOAA quality flags removed; most recent date shown when a reading repeats.
May compared with April and June
| April | May | June | |
|---|---|---|---|
| Normal high | 77°F | 82°F | 90°F |
| Normal low | 49°F | 54°F | 58°F |
| Wet days | 3 | 1 | 0 |
| Comfortable days | 15 | 11 | 4 |
| Daylight | 13.0 h | 13.9 h | 14.3 h |
Highs change by +5°F from April and +8°F into June.
Nearby alternatives in May
- Warmer: Palm Springs, CA42 mi · high 95°F · 0 wet days
- Cooler: Oceanside, CA25 mi · high 65°F · 2 wet days
How Temecula ranks in May
- Normal high110th warmest of 378 cities; 10th of 60 in California
- Wet days16th driest of 378
- Comfortable days201st most of 339
What to pack for Temecula in May
- Layers – afternoons near 82°F but nights near 54°F
Heating and cooling
May has 42 heating degree days and 132 cooling degree days (base 65°F), 5% of the year's total heating and cooling demand.
Questions
How hot is Temecula in May?
The normal high is 82°F and the normal low is 54°F. From 1991 to 2020 the hottest May reading was 109°F (May 28, 2003).
Does it rain a lot in Temecula in May?
About 1 days in May have at least 0.01 in of precipitation, and the normal total is 0.2 in. The wettest May in 1991-2020 was in 1998 (1.3 in); the driest was in 1993, with no measurable precipitation.
Is May a good time to visit Temecula?
May ranks 5th of 12 months on our comfort score for Temecula (66 out of 100). It has about 11 comfortable days and about 9 days at 90°F or hotter. The best months are March and April.
Where the numbers come from
- Temperature, rain, snowfall and snow depth: Elsinore (USC00042805), 18 mi NW of the city center, 1,268 ft (257 ft higher than the city). NOAA normals and daily records, 1991-2020.
- Frost dates: Fallbrook 5 Ne (USW00053151), 4.5 mi SSW of the city center, 1,140 ft (129 ft higher than the city). NOAA normals and daily records, 1991-2020.
- Humidity and wind by hour and cloud cover: March AFB (USW00023119), 29 mi NNW of the city center, 1,516 ft (505 ft higher than the city). NOAA normals and daily records, 1991-2020.
- Daily humidity and wind: March Air Reserve Base (722860-23119), 29 mi NNW of the city center, 1,536 ft (525 ft higher than the city). Hourly observations, 1991-2020.